IT chapters 13-14

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Sends data packets between computer networks and is generally used for internet applications

Router

What is a WAN?

Wide Area Network

Best way to keep to keep a network secure

Implement all of the available safety precautions

___ provides the interface between the network and the computer

Network adapter

A network-transmission device that checks and forwards packets between parts of the network

Switch

The correct pair of starting and ending tags for defining a hyperlink

<html> ... </html>

What is an isp

A company that provides access to the internet

What is required to provide database support to a web page

A preprocessor

Usually a separate file referenced by each page in a website to control formatting

A style sheet

What refers o the correctness of the results from a web search

Accuracy

A continuous signal that can vary over an infinite range

Analog

The Boolean operators used to create precise search strings

And Or Not

What provides varying levels of access to information?

Authentication

Channel capacity is also referred to as

Bandwidth

The client software program that retrieves web documents and displays them

Browser

Which type of network is naturally unsecure?

Cabled

A triangle in the upper-left corner of a cell indicates

Cell has been modified while changes are being tracked

_____ May refer to either a computer on a network or the software it runs

Client

What are the two computers that communicate with each other on a network?

Client, server

The communication between the host and client is

Client-server relationship

Basic design principles such as ___ should be followed when designing for the web

Contrast, repetition, alignment, and proximity

The best approach to troubleshoot a network

Determine the exact nature of the mishap and then search for solutions

A signal composed of discrete chunks of data

Digital

The area of study to discuss and remedy excessive use of screen time, online and smartphone addictions

Digital wellness

What is an html tag

Element used to markup text

How does encryption provide network security?

Encodes a file

What is the study of the efficiency and safety of objects

Ergonomics

Is a data-transmission technology that creates a wired connection between modes or routers and computers

Ethernet

Used to describe the network of networks when remote devices or networks are connected

Extranet

T or F - any wireless device is capable of Bluetooth technology

False

T or F - clock speed of the local computer affects the internet connection

False

T or F - in html5, semantic tags' purpose is not always clear by name

False

Which technology is capable of high transmission rate?

Fiber optic cable

A cascading style sheet provides what for a web page

Formatting information

Markup language for formatting a web page

Html

Where is the interactive troubleshooter in Windows?

Help feature

Interactivity on a web page requires language

Higher than html

___ is the hub of the network

Host

Three levels of formatting provided by cascading style sheets are

Internal, external, in-line

Builds on the concept of the computing cloud to connect computers

Internet area network

A locally confined network of networks , usually within a single business or school

Intranet

What utility in windows can be used to find the IP address of the computer

Ipconfig.exe

A client side provider in a web page is

JavaScript

Languages often used to program interactivity

JavaScript and PHP

___ consists of a group of computers and their devices that are locally assembled in a limited area

Local area network LAN

An action on a website that causes the cursor to change to indicate a hyperlink

Mouse-over

___ model separates the functions of networking into layers that keep the same functions together for all networks

Open system interconnection OSI

A server side provider of interaction in a web page is

PHP hypertext preprocessor

Information on the internet and www is transmitted in

Packets

Basic network security includes

Password protection, firewalls, levels of access, and encryption

Files can be shared among all devices without going through a host

Peer to peer topology

Which OSI layer contains the hardware?

Physical

What describes the shape of the network connections to the computers and devices?

Physical topology

What format must an html file take?

Plain text

Application or process specific software communication endpoints in a computer's operating system

Ports

Involves statement of the problem, gathering of information, formulation of a solution and action to resolve the problem

Problem solving

Makes use of packet switching to transfer information and is available to the general public

Public switched network

How does a firewall provide network security?

Regulates network traffic

Process of taking measurements along the apology signalto convert to a digital signal

Sampling

The Java script command that displays a pop-up box

Script alert

The device that connects computers in a network

Server

What makes a computer a server?

Specialized software

In html what are used to tell browsers how to format or display a web page

Tags

Validation of a web page can be accomplished via

The World Wide Web consortium website

When an error is made in html code,

The browser ignores it

Formatting is applied to cells so

The data is easier to understand

T or F - There are weakness in all wireless security algorithms and can be bypassed

True

T or F - Web 2.0 promotes the use of multimedia and social networking

True

The purpose of a scroll bar on a web page is

To allow the user to move quickly within a web page

___ is the number of bits per second that can be sent from one device to another

Transmission rate

What network connects smaller star topology networks via a bus topology

Tree

A method for ensuring the correctness in which the same information can be located in at least three different sources

Triangulation

An address that points to a specific document or other resource on the World Wide Web

URL

URL stands for

Uniform resource loader

What does the acronym VPN mean?

Virtual private network

What was the most recent algorithm introduced by the WiFi alliance to provide better security for wireless networks

WPA2

How does the World Wide Web relate to the Internet

Www is a subset of internet


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